Once upon a time in greece, 2600 years ago, there lived a knight and a dragon. The dragon thought the knight was very weak and that he could easily beat him in a fair fight. The knight fought with the dragon and dragon lost. The dragon was very surprised that the knight was so strong. The dragon said, "Knight, would like to be my best friend? thank you for teaching me an important lesson." 
Try your best and you can achieve. 